Nebraska Space Grant Consortium
Khanna: The Effects of Moderate to High.

The Effect of Moderate to High Intensity Exercise on Cognitive Function: In the current study, we examine the impact of a brief period of cardiovascular exertion (e.g., 30 minutes of moderate cycling) results in an increase in cognitive performance. To do this, we ask participants to complete a series of cognitive measures (e.g., measures of vocabulary, attention, inhibition, and verbal processing) before completing a bout of moderate exertion on a cycle ergometer. During exercise, we also ask participants to complete a measure of verbal processing. Finally, after completing exercise, we ask participants to complete measures of attention, inhibition, and a third measure of verbal processing. We compare the participantsâÃÂàperformance on the measures of attention and inhibition before and after exercise to see if they exhibit any difference in executive function performance. For verbal processing, we are able to see how exercise can influence lexical access across the entire exercise experience. Previous research has indicated that 30 minutes of moderate exercise will result in increases in executive function skill such as attention and inhibition (e.g., Chang, Labban, Gapin, and Etnier, Brain Res, 2012) for a brief period of time after exercise. However, little previous research has examined the impact of exercise on language processing or verbal tasks. In addition, research on individuals who experience deficits in executive functions such as attentional control and inhibition (e.g., individuals with Dementia of the AlzheimerâÃÂÃÂs type, DAT) have related deficits in verbal fluency and other language processing skills. Thus, we would like to know if a short-term increase in executive function abilities will bring about a brief boost in verbal fluency and language processing skills. This could benefit NASA by informing the development of training protocols or missions protocols that may use exercise to increase worker efficiency and cognitive processing.